eighteen | ||
1. | [ adjective ] being one more than seventeen | |
Synonyms: | 18 xviii | |
Related terms: | cardinal | |
2. | [ noun ] (mathematics) the cardinal number that is the sum of seventeen and one | |
Synonyms: | XVIII 18 | |
Related terms: | large_integer | |
Similar spelling: |
eighteenth eighty-one eighty-nine eighth_note |